Orthambonites-crinoid community, no formation (Ordovician of the United Kingdom)

Where: Wales, United Kingdom (52.0° N, 4.2° W: paleocoordinates 66.3° S, 19.4° W)

• coordinate based on political unit

When: Arenig (478.6 - 466.0 Ma)

• no formation name given

Environment/lithology: marine; sandstone

• "sands. shallow water. BA1"

Size class: macrofossils

Primary reference: D. E. B. Bates. 1969. Some early Arenig brachiopods and trilobites from Wales. Bulletin of the British Museum of Natural History 18(1):1-28 [A. Miller/P. Novack-Gottshall/J. Ju]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 426: authorized by Jack Sepkoski, entered by Mike Sommers on 08.12.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• "D.E.B. Bates, 1969. Some aspects of the Arenig faunas of Wales. pp155-159. In: A. Wood, ed. The Precambrian and lower PZ rocks of Wales. Univ. Wales Press, Cardiff."
Cystoidea
  -
Cystoidea indet. von Buch 1846
cystoids
unclassified
  -
Asterozoa indet.
asterozoans
Crinoidea
 Tetragonocrinida - Tetragonocrinidae
Ramseyocrinus sp. Bates 1968 Sea lily
Rhynchonellata
 Orthida - Archaeorthidae
Pleurorthis sp. Cooper 1956
 Orthida - Orthidae
Orthambonites sp. Pander 1830
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
bryozoans
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
gastropods
Bivalvia
 Nuculida - Praenuculidae
Praenucula sp. Pfab 1934 clam
 Actinodontida - Cycloconchidae
Actinodonta sp. Philipps 1848 clam
plus 3 more genera
Trilobita
 Asaphida - Asaphidae
Merlinia sp. Fortey and Owens 1987 trilobite
 Phacopida - Calymenidae
Neseuretus sp. Hicks 1873 trilobite